// Copyright (c) YugaByte, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
// in compliance with the License.  You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied.  See the License for the specific language governing permissions and limitations
// under the License.
//

#ifndef YB_CONSENSUS_CONSENSUS_UTIL_H
#define YB_CONSENSUS_CONSENSUS_UTIL_H

#include "yb/util/enums.h"

namespace yb {
namespace consensus {

// Specifies whether to send empty consensus requests from the leader to followers in case the queue
// is empty.
YB_DEFINE_ENUM(
    RequestTriggerMode,

    // Only send a request if it is not empty.
    (kNonEmptyOnly)

    // Send a request even if the queue is empty, and therefore (in most cases) the request is
    // empty. This is used during heartbeats from leader to peers.
    (kAlwaysSend));

}  // namespace consensus
}  // namespace yb

#endif // YB_CONSENSUS_CONSENSUS_UTIL_H
